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Issue 643247 link

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Issue metadata

Status: Fixed
Owner:
Last visit > 30 days ago
Closed: Sep 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug

Blocked on:
issue 645953

Blocking:
issue 636111



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clang-cl: "Lang" column of call stack in MSVC debugger shows "Unknown", not "C++"

Project Member Reported by thakis@chromium.org, Sep 1 2016

Issue description

Spun off from 642812: The call stack view in MSVC's debugger shows "Unkown" for "Lang" if you build chrome with clang-cl, while it shows "C++" if you build with cl.

Probably not super important, but maybe also not super hard to fix :-)
 
Owner: amccarth@chromium.org
I know it's low priority, but I'll take this to help me learn more about this portion of the code.

Clang is not emitting an S_COMPILE2 or S_COMPILE3 record, which is apparently where the debugger gets the language information.

Comment 2 by amccarth@google.com, Sep 20 2016

Fixed upstream in r281990 and r281991.

The S_COMPILE3 record is now emitted in the debug$S section, which lets the debugger know the source language.  (It also has information about the compiler's front-end and back-end versions, but I'm not sure I know how to see that from a debugger.)

Comment 3 by thakis@chromium.org, Sep 21 2016

Blockedon: 645953

Comment 4 by thakis@chromium.org, Sep 22 2016

Status: Fixed (was: Untriaged)
Fixed after https://codereview.chromium.org/2361513002

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